Radiation imagery chemistry: process – composition – or product th – Radiation sensitive product – Two or more radiation-sensitive layers containing other than...
Patent
1994-01-06
1995-08-29
Bowers, Jr., Charles L.
Radiation imagery chemistry: process, composition, or product th
Radiation sensitive product
Two or more radiation-sensitive layers containing other than...
430504, 430506, 430507, 430509, 430570, 430581, 430582, 430583, 430593, 430595, 430359, G03C 108
Patent
active
054459281
ABSTRACT:
A color photographic material comprising at least one cyan-coupling silver halide emulsion layer containing a red sensitizer, at least one magenta-coupling silver halide emulsion layer containing a green sensitizer and at least one yellow-coupling silver halide emulsion layer containing a blue sensitizer on a support, in which a silver halide emulsion is provided in a coupler-free layer sensitized with another spectral sensitizer (a gap sensitizer) of which the sensitization maximum lies between the sensitization maxima of the red- and green-sensitive layers or the green- and blue-sensitive layers, is distinguished by an extended gradation range towards the maximum densities and by distinctly improved detail reproduction in the region of high densities.
REFERENCES:
patent: 4806460 (1989-02-01), Ogawa et al.
patent: 5084374 (1992-01-01), Waki et al.
patent: 5266451 (1993-11-01), Schmuck et al.
Draber Edgar
Missfeldt Michael
Schmuck Arno
Agfa-Gevaert AG
Bowers Jr. Charles L.
Letscher Geraldine
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